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3898525 = 52179173
BaseRepresentation
bin1110110111110010011101
321100001202211
432313302131
51444223100
6215320421
745064651
oct16676235
97301684
103898525
112223024
121380111
13a66627
14736a61
155201ba
hex3b7c9d

3898525 has 12 divisors (see below), whose sum is σ = 5119092. Its totient is φ = 2935040.

The previous prime is 3898513. The next prime is 3898537. The reversal of 3898525 is 5258983.

It is an interprime number because it is at equal distance from previous prime (3898513) and next prime (3898537).

It can be written as a sum of positive squares in 6 ways, for example, as 352836 + 3545689 = 594^2 + 1883^2 .

It is not a de Polignac number, because 3898525 - 213 = 3890333 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4162 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (426591).

Almost surely, 23898525 is an apocalyptic number.

It is an amenable number.

3898525 is a deficient number, since it is larger than the sum of its proper divisors (1220567).

3898525 is a wasteful number, since it uses less digits than its factorization.

3898525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200 (or 9195 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 3898525 is about 1974.4682828549. The cubic root of 3898525 is about 157.3862452306.

The spelling of 3898525 in words is "three million, eight hundred ninety-eight thousand, five hundred twenty-five".

Divisors: 1 5 17 25 85 425 9173 45865 155941 229325 779705 3898525